<template>
  <div class="mod-config">
    <el-form :inline="true" :model="dataForm" @keyup.enter.native="getDataList()">
      <el-form-item>
        <el-input v-model="dataForm.key" placeholder="参数名" clearable></el-input>
      </el-form-item>
      <el-form-item>
        <el-button @click="getDataList()">查询</el-button>
        <el-button type="primary" @click="addOrUpdateHandle()">新增</el-button>
        <el-button type="danger" @click="deleteHandle()" :disabled="dataListSelections.length <= 0">批量删除</el-button>
      </el-form-item>
    </el-form>
    <el-table :data="dataList" border v-loading="dataListLoading" @selection-change="selectionChangeHandle"
      style="width: 100%;">
      <el-table-column type="selection" header-align="center" align="center" width="50">
      </el-table-column>
      <el-table-column prop="gmtCreate" header-align="center" align="center" label="创建时间">
      </el-table-column>
      <el-table-column prop="fontCode" header-align="center" align="center" label="字体code">
      </el-table-column>
      <el-table-column prop="fontCnName" header-align="center" align="center" label="字体名">
      </el-table-column>
      <el-table-column prop="fontCnName" header-align="center" align="center" label="渲染效果">
        <template slot-scope="scope">
          <div class="font-name-preview" :style="getFontStyle(scope.row)">
            {{ scope.row.fontCnName }}
          </div>
        </template>
      </el-table-column>
      <el-table-column prop="fontType" header-align="center" align="center" label="字体类型">
      </el-table-column>
      <el-table-column fixed="right" header-align="center" align="center" width="150" label="操作">
        <template slot-scope="scope">
          <el-button type="text" size="small" @click="addOrUpdateHandle(scope.row.fontCode)">修改</el-button>
          <el-button type="text" size="small" @click="deleteHandle(scope.row.fontCode)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    <el-pagination @size-change="sizeChangeHandle" @current-change="currentChangeHandle" :current-page="pageIndex"
      :page-sizes="[10, 20, 50, 100]" :page-size="pageSize" :total="totalPage"
      layout="total, sizes, prev, pager, next, jumper">
    </el-pagination>
    <!-- 弹窗, 新增 / 修改 -->
    <add-or-update v-if="addOrUpdateVisible" ref="addOrUpdate" @refreshDataList="getDataList"></add-or-update>
    <!-- 查看大图 -->
    <ImagePreview v-if="imagePreviewVisible" ref="imagePreview"  @refreshDataList="getDataList"></ImagePreview>
  </div>
</template>

<script>
import WmhGalaxyFontAddOrUpdate from './wmhGalaxyFont-add-or-update.vue'
import ImagePreview from '@/views/common/image-preview'
export default {
  data() {
    return {
      dataForm: {
        key: ''
      },
      dataList: [],
      pageIndex: 1,
      pageSize: 10,
      totalPage: 0,
      dataListLoading: false,
      dataListSelections: [],
      addOrUpdateVisible: false,
      imagePreviewVisible: false,
      loadedFonts: new Set() // 用于跟踪已加载的字体
    }
  },
  components: {
    AddOrUpdate: WmhGalaxyFontAddOrUpdate,
    ImagePreview
  },
  activated() {
    this.getDataList()
  },
  methods: {
    // 获取数据列表
    getDataList() {
      this.dataListLoading = true
      this.$http({
        url: this.$http.adornUrl('/font/font/queryWormholeGalaxyFontList'),
          method: 'post',
          data: this.$http.adornData({
            isPage: true,
            pageNumb: this.pageIndex,
            pageSize: this.pageSize,
          })
      }).then(({ data }) => {
        if (data && data.success) {
          this.dataList = data.data
          this.totalPage = data.total
        } else {
          this.dataList = []
          this.totalPage = 0
        }
        this.dataListLoading = false
      })
    },
    // 查看大图
    imagePreviewHandle(url){
      this.imagePreviewVisible = true
      this.$nextTick(() => {
        this.$refs.imagePreview.init(url)
      })
    },
    // 每页数
    sizeChangeHandle(val) {
      this.pageSize = val
      this.pageIndex = 1
      this.getDataList()
    },
    // 当前页
    currentChangeHandle(val) {
      this.pageIndex = val
      this.getDataList()
    },
    // 多选
    selectionChangeHandle(val) {
      this.dataListSelections = val
    },
    // 新增 / 修改
    addOrUpdateHandle(fontCode) {
      this.addOrUpdateVisible = true
      this.$nextTick(() => {
        this.$refs.addOrUpdate.init(fontCode)
      })
    },
    // 删除
    deleteHandle(id) {
      var ids = id ? [id] : this.dataListSelections.map(item => {
        return item.id
      })
      this.$confirm(`确定对[id=${ids.join(',')}]进行[${id ? '删除' : '批量删除'}]操作?`, '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        this.$http({
          url: this.$http.adornUrl('/word/word/deleteWormholeGalaxyWord'),
          method: 'post',
          data: this.$http.adornData(ids, false)
        }).then(({ data }) => {
          if (data && data.code === 0) {
            this.$message({
              message: '操作成功',
              type: 'success',
              duration: 1500,
              onClose: () => {
                this.getDataList()
              }
            })
          } else {
            this.$message.error(data.msg)
          }
        })
      })
    },
    // 获取字体样式
    getFontStyle(row) {
      // 检查字体是否已经加载
      if (!this.loadedFonts.has(row.fontCode)) {
        this.loadFont(row.fontCode, row.fontFileUrl);
        this.loadedFonts.add(row.fontCode);
      }

      return {
        fontFamily: row.fontCode + ', Arial, sans-serif',
        fontSize: '16px',
        padding: '5px 0'
      };
    },
    // 动态加载字体
    loadFont(fontFamily, fontUrl) {
      if (!fontUrl) return;

      // 创建样式元素
      const style = document.createElement('style');
      style.id = `font-${fontFamily}`;

      // 定义字体-face规则
      style.innerHTML = `
        @font-face {
          font-family: '${fontFamily}';
          src: url('${fontUrl}') format('truetype');
        }
      `;

      // 将样式添加到head中
      document.head.appendChild(style);
    },
    // 显示预览提示
    showPreviewTip(row) {
      this.$set(row, 'showPreviewTip', true);
    },
    // 隐藏预览提示
    hidePreviewTip(row) {
      this.$set(row, 'showPreviewTip', false);
    }
  }
}
</script>

<style scoped>
.font-name-preview {
  font-size: 16px;
  padding: 5px 0;
}

.image-preview-container {
  position: relative;
  display: inline-block;
}

.thumbnail-image {
  cursor: pointer;
  max-width: 100%;
  height: auto;
}

.preview-tip {
  font-size: 10px;
  color: #909399;
  margin-top: 3px;
  text-align: center;
}
</style>
